07:40, 12 January 2012 WikiSysoptalkcontribs uploaded File:Eso1151a.jpg(Astronomers using ESO’s Very Large Telescope have discovered a gas cloud with several times the mass of the Earth accelerating fast towards the black hole at the centre of the Milky Way. This is the first time ever that the approach of such a doomed cloud to a supermassive black hole has been observed. Credit: ESO Source: http://www.eso.org/public/announcements/ann11083/)

00:07, 7 January 2012 WikiSysoptalkcontribs deleted page The Earth Rotates(content was: "== Discover the Rotation of the Earth == In 1851 Leon Foucault (1819-1868) was made famous when he devised an experiment with a pendulum that demonstrated th..." (and the only contributor was "WikiSysop"))